docs: def read_label_file(path):
      """
      Read the labels from an audacity label file.
  
      Args:
          path (str): Path to the label file.
  
      Returns:
          list: List of labels (start [sec], end [sec], label)
  
      Example::
  
          >>> read_label_file('/path/to/label/file.txt')
          [
              [0.0, 0.2, 'sie'],
              [0.2, 2.2, 'hallo']
          ]
      """
      labels = []
  
      for record in textfile.read_separated_lines_generator(path, separator='\t', max_columns=3):
          value = ''
  
          if len(record) > 2:
              value = str(record[2])
  
          labels.append([float(_clean_time(record[0])), float(_clean_time(record[1])), value])
  
      return labels